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Dermatology Impetigo Lesions Quiz

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Questions and Answers

What distinguishes Staphylococcus aureus from other staphylococci primarily?

Resistance to hydrogen peroxide

Production of coagulase (correct)

Ability to produce catalase

Ability to cause impetigo

Which bacterium can cause impetigo according to the text?

Staphylococcus saprophyticus

Streptococcus pneumoniae

Staphylococcus epidermidis

Streptococcus pyogenes (correct)

Why can bacteria that make catalase survive the killing effect of hydrogen peroxide within neutrophils?

They are resistant to all types of oxygen radicals

They have a mechanism to detoxify hydrogen peroxide (correct)

They can form biofilms within neutrophils

They produce an enzyme that neutralizes hydrogen peroxide

Which staphylococcal species is the most common and causes the most serious infections in humans?

<p>Staphylococcus aureus</p> Signup and view all the answers

What enzyme distinguishes Staphylococcus aureus from other staphylococci?

<p>Coagulase</p> Signup and view all the answers

Dermatology Impetigo Lesions Quiz

Choose a study mode

Podcast

Questions and Answers

What distinguishes Staphylococcus aureus from other staphylococci primarily?

Which bacterium can cause impetigo according to the text?

Why can bacteria that make catalase survive the killing effect of hydrogen peroxide within neutrophils?

Which staphylococcal species is the most common and causes the most serious infections in humans?

What enzyme distinguishes Staphylococcus aureus from other staphylococci?

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